Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 114
in support of the crystallization theory, that a piece of un-stressed steel if drilled will produce a long spiral ribbon, whereas thesame steel after failure by fatigue will produce, when drilled, onlyshort broken chips. This it was stated was proof of crystallizationtaking place. It would seem… … Fig. i. Rotating Beam Testing Machine (Farmer). A, Specimen to be tested; B, C, D and E, Ball Bearings; F, Draw-in colletfor holding specimen in ball bearings, similar collets being used at eachbearing; G, Drive shaft; H, Flexible leather disc; K, Drive pulley for connect-ing by belt to motor; M,…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
